Ring Sizing Guide

Most Arsaeus rings are available in adjustable sizes and fit into a Small, Medium or Large category:

SizeUSA & CanadaAustralia & UK         Length Size (mm)
Small          >  4A - I  > 48
Medium      5 - 7I - P49 - 55
Large      8 - 12P - Z56 - 68

Find Your Size Using String or a Strip of Paper

If you are not sure about your ring size there is a simple test you can do yourself.

Supplies Needed

  • Ruler with millimeters
  • Non-stretchy string OR a strip of paper

Instructions

  • Wrap the piece of string or strip of paper around the base of your finger
  • Mark the point where it overlaps with a pen
  • Measure the length in millimeters using a ruler
  • Compare your length to the first column in the size chart below to determine your ring size

International Ring Sizes

Length Size
(mm)
Interior Diameter
(mm)
USA &
Canada
Australia, UK
& Ireland
FranceGermany
& Belgium
ItalyChina, India
& Japan
Swiss
4815.274 ½I ½15 ¼88
4915.75J ½15 ¾9.59
5116.15 ½L51 ¾1610.51111 ¾
5216.516M52 ¾16 ½11.51212 ¾
5316.926 ½N5417131314
5517.357O55 ¼17 ¼14.51415 ¼
5617.757 ½P56 ½17 ¾161516 ½
5718.198Q57 ¾18171617 ¾
5818.538 ½Q ½5818 ½18.517
5918.899R ½59 ¼1919.518
6119.419 ½S ½60 ½19 ½2119
6219.8410T ½61 ¾202220
6320.210 ½U ½62 ¾20 ¼23.522
6520.6811V ½64 ¼20 ¾2523
6621.0811 ½W ½662126.524
6821.4912Y67 ½21 ¼27.52527 ½
6921.8912 ½Z68 ¾21 ¾28.52628 ¾
7022.3313223027

Have Any Questions?

If you have any questions about sizing or inquiries about custom sizing please do not hesitate to reach us through our Help Center - Thank you!